/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package salve.contract;

import java.util.HashMap;
import java.util.Map;

import org.junit.Assert;

import salve.Scope;
import salve.loader.BytecodePool;

public class AbstractContractInstrumentorTestSupport extends Assert {
	private static final ClassLoader CL = AbstractContractInstrumentorTestSupport.class.getClassLoader();
	private static final ContractInstrumentor INST = new ContractInstrumentor();

	private static final Map<String, Class<?>> loaded = new HashMap<String, Class<?>>();

	protected final Object create(String beanName) throws Exception {
		return instrument(beanName).newInstance();
	}

	protected final Class<?> instrument(String beanName) throws Exception {
		final String cn = getClass().getName().replace(".", "/") + "$" + beanName;
		Class<?> clazz = loaded.get(cn);
		if (clazz == null) {
			clazz = new BytecodePool(Scope.ALL).addLoaderFor(CL).instrumentIntoClass(cn, INST);
			loaded.put(cn, clazz);
		}
		return clazz;
	}

}
